Cardinal Robert McElroy of Washington said his decision to remove a high-profile priest as an archdiocesan exorcist was ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

Aliens that appear in alleged abduction encounters overwhelmingly undermine Christian belief while largely ignoring other ...

Three decades of finding new worlds Exoplanet science has moved fast since the first confirmed discoveries in the 1990s.

In this file photo, Msgr. Stephen J. Rossetti, then a clinical associate professor at The Catholic University of America in Washington, talks during a press conference in Rome Feb. 7, 2012. Msgr.

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...

Ryan Gosling stars as Ryland Grace in "Project Hail Mary." Jonathan Olley/Amazon MGM Studios In “Project Hail Mary,” the new ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...